2068540427 has 2 divisors, whose sum is σ = 2068540428. Its totient is φ = 2068540426.

The previous prime is 2068540387. The next prime is 2068540429. The reversal of 2068540427 is 7240458602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2068540427 - 2⁶ = 2068540363 is a prime.

Together with 2068540429, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2068540429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034270213 + 1034270214.

It is an arithmetic number, because the mean of its divisors is an integer number (1034270214).

Almost surely, 2^2068540427 is an apocalyptic number.

2068540427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2068540427 is an equidigital number, since it uses as much as digits as its factorization.

2068540427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 2068540427 is about 45481.2096035275. The cubic root of 2068540427 is about 1274.1522858163.

The spelling of 2068540427 in words is "two billion, sixty-eight million, five hundred forty thousand, four hundred twenty-seven".